What is the Sandstone 3HE10550AA-LR1-BXU-ST?
The Sandstone 3HE10550AA-LR1-BXU-ST is a QSFP optical transceiver module, listed by the manufacturer as "Alcatel-Lucent Compatible 100G QSFP28, 100GBASE-LR1 BXU, TX1270/RX1330 nm, 10km SMF LC, DDM, C-Temp, VIOLET Latch". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.